add multiple key arg

roscop/roscop.py

@@ -20,6 +20,15 @@ class Roscop:
     def __str__(self):
         return 'Class Roscop, file: %s, size = %d' % (self.file, len(self.hash))
 
+    def __getattr__(self, name):
+        '''
+        overload r.key
+        '''
+        return self.hash[name]
+
+    def __repr__(self):
+        return super().__repr__()
+
     def disp(self, theKey):
         print("%s :" % theKey)
         print(self.hash[theKey])
@@ -49,19 +58,26 @@ if __name__ == "__main__":
 
     # display extra logging info
     # see: https://stackoverflow.com/questions/14097061/easier-way-to-enable-verbose-logging
+    # https://docs.python.org/2/howto/argparse.html
     parser = argparse.ArgumentParser(
         description='This class Roscop parse a csv file describing physical parameter codification')
     parser.add_argument("-d", "--debug", help="display debug informations",
                         action="store_true")
+    parser.add_argument("-k", "--key", nargs='+',
+                        help="display dictionary for key(s), example -k TEMP [PSAL ...]")
     parser.add_argument("file", type=str, help="the csv file to parse")
     args = parser.parse_args()
     if args.debug:
         logging.basicConfig(level=logging.DEBUG)
 
+    key = args.key
     # Read the csv file and create an instance of Roscop class
     r = Roscop(args.file)
-    #r = Roscop("code_roscop.csv")
+    # r = Roscop("code_roscop.csv")
     r.read()
     print(r)
     # r.disp('TEMP')
-    r.disp('BATH')
+    for k in key:
+        r.disp(k)
+    # print(r.TEMP)
+    # print(r[key])